[KongchangAI]
Unverified50% confidenceFactExact time

A table format maintains a metadata layer on top of immutable open files such as Parquet and ORC (recording which files make up the table, the schema history, and the snapshot of each commit), enabling atomic commits, schema evolution, and time travel without modifying the underlying files.

1
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50%
Confidence
Long-term
Relevance
10/16/2026
First Seen

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